Boom control system

Details Boom control system Boom control system

G - Physics

05

B

342/24

G05B 19/427 (2006.01) E02F 9/20 (2006.01) G05B 19/41 (2006.01)

Patent

CA 1255781

B02079-USA Boom Control System Abstract Machines having a boom or arm pivotally dis- posed thereon wherein the length of the boom or arm and the angle thereof with respect to a reference plane are adjustable by means of actuators are well known. How- ever, it is extremely difficult, if not impossible, to simultaneously control the actuators in a coordinated fashion to move the end of the boom or arm in a straight line path. In order to overcome this problem, a boom control system for a boom according to the present inven- tion controls the actuators in either of two modes of operation, the first mode of operation comprising inde- pendent control over each actuator to afford polar coor- dinate operation and the second mode of operation com- prising synchronized control over the actuators so that the end of the member may be moved in a straight line. Means are provided for manually selecting one of the two modes of operation. Means may be provided for calculat- ing the amount of remaining horizontal throw of the boom or arm when a command to move same is issued.

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